[KPhotoAlbum] gps search: a patch

Reimar Imhof Reimar.Imhof at netcologne.de
Mon Jun 1 22:15:42 CEST 2015


Hi Tobias,

thanks a lot for looking at my patch!

I've seen the removeCurrentSelectionButton but I couldn't find a way using it. 
I think it's used in the more complex digikam gps search, that allows to 
search for more complex areas, if I got that right. I didn't try to adopt that 
- I'm happy with what I have ;-)
I've also seen that this button is always disabled, and I couldn't find a way 
to at least get rid of it or even use it. Well, I've just forgotten to ask for 
how to use that button - so I can't help you.

To me the one point to deal with is the performance problem when the gps 
access triggers an exiv db update. I mentioned that yesterday. I didn't 
measure that time but it just felt like taking ages.
I could think about two possibilities:
- having a search progress bar - meaning the first search including that 
update will take some time
or
- convert the exiv db during start up (like looking for new pictures) - so the 
first start up could by time expensive.

What do you think?

Cheers
Reimar

Am Montag, 1. Juni 2015, 00:17:17 schrieb Tobias Leupold:
> Hi Reimar!
> 
> I just had a quick look at your patch (actually at the cleaned up version in
> the gpssearch branch). Looks very nice :-) Only thing I changed is to hide
> the mode selection when the annotation dialog is opened in annotation mode,
> as we don't need the selection there (to keep the UI clean and as simple as
> possible).
> 
> Just speaking of the UI: There's a QToolButton* removeCurrentSelectionButton
> inside the KGeoMap widget connected with an action called
> "actionRemoveCurrentRegionSelection", with the text "Remove the current
> region selection". Apparently, this is intended to do the very same as your
> newly added "m_deleteSearchRegionButton" button.
> 
> (At least here) It's always disabled. Do you have an idea how to enable it
> (I didn't manage to do so ;-) This way, we could cheap out the extra
> button.
> 
> Cheers, Tobias
> 
> E-Mail vom 31.05.2015, 21:59 von Reimar Imhof:
> > Hallo,
> > 
> > here you'll find a patch for a simple gps search.
> > 
> > It's included in the search dialog. The map comes up in standard pan mode
> > -
> > you can change that to region selection.
> > 
> > If you select a region you'll get images with gps coordinates in that
> > region. Images without gps info will not be found.
> > 
> > If you want to select images without gps info or don't care about gps you
> > just don't need to select a region. Or you could press the new "Remove
> > Search Region" button.
> > 
> > There is one little problem in
> > KGeoMap::GeoCoordinates DB::ImageInfo::coordinates() const
> > This runs an exifdb update if it's not version 2.
> > This update just takes a little time. That's why the first search
> > including
> > gps info might take some time. And there is no search progress bar...
> > 
> > 
> > Enhancements are welcome.
> > 
> > Reimar
> 
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